From 7bb5885fc3a904f49e22f0c8cbf747d9b189a7ba Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Wed, 25 Jul 2012 04:23:35 +0200
Subject: SWT Update: SWT GLCanvas creates lazy when resource is ready; Create
 new NewtCanvasSWT allowing to parent NEWT windows natively.

SWT GLCanvas creates lazy when resource is ready
  - Ensures drawable and context are created when size > zero and native visualID is valid.
    The latter is platform dependent.
  - Note that you cannot utilize custom GLCapabilities w/ this one,
    since the configurations is already realized - use NewtCanvasSWT.

Create new NewtCanvasSWT allowing to parent NEWT windows natively:
  - Similar to NewtCanvasAWT
  - Allows attaching / detaching NEWT windows

NewtCanvasAWT: Public setNEWTChild(..) fixed

Added test cases for the above - tested on Linux, OSX and Windows w/ SWT

Note: As usual for OSX, add -XstartOnFirstThread

Details:

- NEWT Display has new method: 'EDTUtil setEDTUtil(EDTUtil)'
  allowing to set a custom event dispatch utility.
  We use this to set our SWTEDTUtil for using NEWT w/ SWT
  complying w/ SWT threading constraints.
---
 .../javax/media/nativewindow/NativeWindowFactory.java   | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'src/nativewindow/classes/javax')

diff --git a/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java b/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java
index b85ad47f2..6faa9890c 100644
--- a/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java
+++ b/src/nativewindow/classes/javax/media/nativewindow/NativeWindowFactory.java
@@ -561,4 +561,21 @@ public abstract class NativeWindowFactory {
         }
         return null;            
     }
+    
+    /**
+     * Returns true if the given visualID is valid for further processing, i.e. OpenGL usage,
+     * otherwise return false.
+     * <p>
+     * On certain platforms, i.e. X11, a valid visualID is required at window creation.
+     * Other platforms may determine it later on, e.g. OSX and Windows. </p>
+     * <p>
+     * If the visualID is {@link VisualIDHolder#VID_UNDEFINED} and the platform requires it
+     * at creation time (see above), it is not valid for further processing.
+     * </p>
+     */
+    public static boolean isNativeVisualIDValidForProcessing(int visualID) {
+        return NativeWindowFactory.TYPE_X11 != NativeWindowFactory.getNativeWindowType(false) || 
+               VisualIDHolder.VID_UNDEFINED != visualID ;
+    }
+        
 }
-- 
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